Louisville (Michaele Lane) KY, US: 38.1825, -85.5744
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 19.0 μg/m3 (18) | 12.0 μg/m3 (50) | 50.0 | |
| Aug. 3, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 18.0 μg/m3 (17) | 12.0 μg/m3 (50) | 51.0 | |
| Aug. 3, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 20.0 μg/m3 (19) | 13.6 μg/m3 (55) | 58.0 | |
| Aug. 3, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 21.0 μg/m3 (20) | 14.5 μg/m3 (57) | 57.0 | |
| Aug. 3, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 21.0 μg/m3 (20) | 13.6 μg/m3 (55) | 55.0 | |
| Aug. 3, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 16.0 μg/m3 (15) | 11.1 μg/m3 (47) | 47.0 | |
| Aug. 3, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 16.0 μg/m3 (15) | 9.3 μg/m3 (39) | 42.0 | |
| Aug. 3, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 12.0 μg/m3 (12) | 7.7 μg/m3 (33) | 38.0 | |
| Aug. 3, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 16.0 μg/m3 (15) | 7.6 μg/m3 (32) | 35.0 | |
| Aug. 3, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 18.0 μg/m3 (17) | 8.5 μg/m3 (36) | 36.0 | |
| Aug. 3, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 18.0 μg/m3 (17) | 9.4 μg/m3 (40) | 40.0 | |
| Aug. 3, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 15.0 μg/m3 (14) | 9.6 μg/m3 (40) | 40.0 | |
| Aug. 3, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 18.0 μg/m3 (17) | 10.3 μg/m3 (43) | 43.0 | |
| Aug. 3, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 15.0 μg/m3 (14) | 10.5 μg/m3 (44) | 44.0 | |
| Aug. 3, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 17.0 μg/m3 (16) | 11.5 μg/m3 (48) | 48.0 | |
| Aug. 3, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 17.0 μg/m3 (16) | 12.2 μg/m3 (52) | 52.0 | |
| Aug. 3, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 19.0 μg/m3 (18) | 13.4 μg/m3 (54) | 54.0 | |
| Aug. 3, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (25) | N/A | 21.0 μg/m3 (20) | 15.3 μg/m3 (58) | 58.0 | |
| Aug. 3, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 24.0 μg/m3 (23) | 17.2 μg/m3 (62) | 62.0 | |
| Aug. 3, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 27.0 μg/m3 (25) | 18.7 μg/m3 (65) | 65.0 | |
| Aug. 3, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 32.0 μg/m3 (30) | 20.9 μg/m3 (70) | 70.0 | |
| Aug. 3, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 39.0 μg/m3 (37) | 24.3 μg/m3 (77) | 77.0 | |
| Aug. 3, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 37.0 μg/m3 (35) | 25.8 μg/m3 (80) | 80.0 | |
| Aug. 2, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 38.0 μg/m3 (36) | 27.0 μg/m3 (83) | 83.0 | |
| Aug. 2, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 39.0 μg/m3 (37) | 27.9 μg/m3 (85) | 85.0 | |
| Aug. 2, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 41.0 μg/m3 (38) | 29.5 μg/m3 (88) | 88.0 | |
| Aug. 2, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 43.0 μg/m3 (40) | 31.3 μg/m3 (92) | 92.0 | |
| Aug. 2, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 46.0 μg/m3 (43) | 33.3 μg/m3 (96) | 96.0 | |
| Aug. 2, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 46.0 μg/m3 (43) | 34.3 μg/m3 (98) | 98.0 | |
| Aug. 2, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 48.0 μg/m3 (45) | 35.3 μg/m3 (100) | 100.0 | |
| Aug. 2, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 50.0 μg/m3 (47) | 36.6 μg/m3 (104) | 104.0 | |
| Aug. 2, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 52.0 μg/m3 (49) | 36.4 μg/m3 (104) | 104.0 | |
| Aug. 2, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 47.0 μg/m3 (44) | 33.2 μg/m3 (96) | 96.0 | |
| Aug. 2, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 48.0 μg/m3 (45) | 31.7 μg/m3 (93) | 93.0 | |
| Aug. 2, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 42.0 μg/m3 (39) | 29.7 μg/m3 (89) | 89.0 | |
| Aug. 2, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 43.0 μg/m3 (40) | 30.9 μg/m3 (91) | 91.0 | |
| Aug. 2, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 44.0 μg/m3 (41) | 32.8 μg/m3 (95) | 95.0 | |
| Aug. 2, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 45.0 μg/m3 (42) | 33.7 μg/m3 (97) | 97.0 | |
| Aug. 2, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 44.0 μg/m3 (41) | 33.0 μg/m3 (95) | 95.0 | |
| Aug. 2, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 45.0 μg/m3 (42) | 33.6 μg/m3 (97) | 97.0 | |
| Aug. 2, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 47.0 μg/m3 (44) | 34.8 μg/m3 (99) | 99.0 | |
| Aug. 2, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 47.0 μg/m3 (44) | 35.4 μg/m3 (100) | 100.0 | |
| Aug. 2, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 46.0 μg/m3 (43) | 34.6 μg/m3 (99) | 99.0 | |
| Aug. 2, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 42.0 μg/m3 (39) | 33.1 μg/m3 (96) | 96.0 | |
| Aug. 2, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 43.0 μg/m3 (40) | 32.9 μg/m3 (95) | 95.0 | |
| Aug. 2, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 43.0 μg/m3 (40) | 33.0 μg/m3 (95) | 95.0 | |
| Aug. 2, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 52.0 μg/m3 (49) | 40.1 μg/m3 (113) | 113.0 | |
| Aug. 1, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 54.0 μg/m3 (50) | 42.1 μg/m3 (118) | 118.0 | |
| Aug. 1, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 50.0 μg/m3 (47) | 38.1 μg/m3 (108) | 108.0 | |
| Aug. 1, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 42.0 μg/m3 (39) | 32.0 μg/m3 (93) | 93.0 | |
| Aug. 1, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 38.0 μg/m3 (36) | 28.7 μg/m3 (86) | 86.0 | |
| Aug. 1, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 31.0 μg/m3 (29) | 22.6 μg/m3 (74) | 74.0 | |
| Aug. 1, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 23.0 μg/m3 (22) | 16.0 μg/m3 (60) | 60.0 | |
| Aug. 1, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 54.0 ppb (50) | N/A | 19.0 μg/m3 (18) | 13.7 μg/m3 (55) | 55.0 | |
| Aug. 1, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (47) | N/A | 23.0 μg/m3 (22) | 13.5 μg/m3 (54) | 54.0 | |
| Aug. 1, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 24.0 μg/m3 (23) | 15.3 μg/m3 (58) | 58.0 | |
| Aug. 1, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 32.0 μg/m3 (30) | 21.7 μg/m3 (72) | 72.0 | |
| Aug. 1, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 39.0 μg/m3 (37) | 26.5 μg/m3 (82) | 82.0 | |
| Aug. 1, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 42.0 μg/m3 (39) | 29.2 μg/m3 (87) | 87.0 | |
| Aug. 1, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 34.0 μg/m3 (32) | 23.2 μg/m3 (75) | 75.0 | |
| Aug. 1, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 35.0 μg/m3 (33) | 25.2 μg/m3 (79) | 79.0 | |
| Aug. 1, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 36.0 μg/m3 (34) | 25.9 μg/m3 (81) | 81.0 | |
| Aug. 1, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 43.0 μg/m3 (40) | 31.9 μg/m3 (93) | 93.0 | |
| Aug. 1, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 53.0 μg/m3 (50) | 39.1 μg/m3 (110) | 110.0 | |
| Aug. 1, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 41.0 μg/m3 (38) | 29.3 μg/m3 (88) | 88.0 | |
| Aug. 1, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 29.0 μg/m3 (27) | 21.0 μg/m3 (70) | 70.0 | |
| Aug. 1, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 31.0 μg/m3 (29) | 22.2 μg/m3 (73) | 73.0 | |
| Aug. 1, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 36.0 μg/m3 (34) | 26.8 μg/m3 (82) | 82.0 | |
| Aug. 1, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 40.0 μg/m3 (38) | 29.2 μg/m3 (87) | 87.0 | |
| Aug. 1, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 43.0 μg/m3 (40) | 31.1 μg/m3 (91) | 91.0 | |
| Aug. 1, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 38.0 μg/m3 (36) | 27.9 μg/m3 (85) | 85.0 | |
| July 31, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 36.0 μg/m3 (34) | 27.4 μg/m3 (84) | 84.0 | |
| July 31, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 36.0 μg/m3 (34) | 27.7 μg/m3 (84) | 84.0 | |
| July 31, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 40.0 μg/m3 (38) | 28.7 μg/m3 (86) | 86.0 | |
| July 31, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 37.0 μg/m3 (35) | 27.4 μg/m3 (84) | 84.0 | |
| July 31, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (38) | N/A | 37.0 μg/m3 (35) | 26.5 μg/m3 (82) | 82.0 | |
| July 31, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 40.0 μg/m3 (38) | 26.2 μg/m3 (81) | 81.0 | |
| July 31, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 43.0 μg/m3 (40) | 28.4 μg/m3 (86) | 86.0 | |
| July 31, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 38.0 μg/m3 (36) | 27.8 μg/m3 (85) | 85.0 | |
| July 31, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 35.0 μg/m3 (33) | 26.5 μg/m3 (82) | 82.0 | |
| July 31, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 33.0 μg/m3 (31) | 24.5 μg/m3 (78) | 78.0 | |
| July 31, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 34.0 μg/m3 (32) | 23.6 μg/m3 (76) | 76.0 | |
| July 31, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 33.0 μg/m3 (31) | 23.0 μg/m3 (74) | 74.0 | |
| July 31, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 38.0 μg/m3 (36) | 24.9 μg/m3 (78) | 78.0 | |
| July 31, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (11) | N/A | 36.0 μg/m3 (34) | 27.4 μg/m3 (84) | 84.0 | |
| July 31, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 37.0 μg/m3 (35) | 28.5 μg/m3 (86) | 86.0 | |
| July 31, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 39.0 μg/m3 (37) | 29.2 μg/m3 (87) | 87.0 | |
| July 31, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 37.0 μg/m3 (35) | 27.7 μg/m3 (84) | 84.0 | |
| July 31, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 42.0 μg/m3 (39) | 31.9 μg/m3 (93) | 93.0 | |
| July 31, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 45.0 μg/m3 (42) | 35.1 μg/m3 (100) | 100.0 | |
| July 31, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 52.0 μg/m3 (49) | 41.3 μg/m3 (116) | 116.0 | |
| July 31, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (32) | N/A | 53.0 μg/m3 (50) | 42.9 μg/m3 (120) | 120.0 | |
| July 31, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (34) | N/A | 55.0 μg/m3 (51) | 43.7 μg/m3 (122) | 122.0 | |
| July 31, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 51.0 μg/m3 (48) | 40.0 μg/m3 (113) | 113.0 | |
| July 31, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 42.0 μg/m3 (39) | 32.8 μg/m3 (95) | 95.0 | |
| July 30, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 36.0 μg/m3 (34) | 27.2 μg/m3 (83) | 83.0 | |
| July 30, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 40.0 μg/m3 (38) | 29.2 μg/m3 (87) | 87.0 | |
| July 30, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 38.0 μg/m3 (36) | 29.2 μg/m3 (87) | 87.0 | |
| July 30, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (45) | N/A | 37.0 μg/m3 (35) | 30.1 μg/m3 (89) | 89.0 | |
| July 30, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 36.0 μg/m3 (34) | 29.1 μg/m3 (87) | 87.0 | |
| July 30, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 32.0 μg/m3 (30) | 24.8 μg/m3 (78) | 78.0 | |
| July 30, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 30.0 μg/m3 (28) | 22.0 μg/m3 (72) | 72.0 | |
| July 30, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 31.0 μg/m3 (29) | 22.9 μg/m3 (74) | 74.0 | |
| July 30, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 30.0 μg/m3 (28) | 22.5 μg/m3 (73) | 73.0 | |
| July 30, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 28.0 μg/m3 (26) | 20.7 μg/m3 (70) | 70.0 | |
| July 30, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 25.0 μg/m3 (24) | 17.1 μg/m3 (62) | 62.0 | |
| July 30, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (33) | N/A | 21.0 μg/m3 (20) | 14.1 μg/m3 (56) | 56.0 | |
| July 30, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 21.0 μg/m3 (20) | 12.6 μg/m3 (53) | 53.0 | |
| July 30, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 18.0 μg/m3 (17) | 11.8 μg/m3 (50) | 50.0 | |
| July 30, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 19.0 μg/m3 (18) | 11.6 μg/m3 (49) | 49.0 | |
| July 30, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 21.0 μg/m3 (20) | 13.1 μg/m3 (54) | 54.0 | |
| July 30, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 22.0 μg/m3 (21) | 14.6 μg/m3 (57) | 57.0 | |
| July 30, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 21.0 μg/m3 (20) | 14.1 μg/m3 (56) | 56.0 | |
| July 30, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 23.0 μg/m3 (22) | 15.4 μg/m3 (58) | 58.0 | |
| July 30, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 31.0 μg/m3 (29) | 18.3 μg/m3 (65) | 65.0 | |
| July 30, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 34.0 μg/m3 (32) | 19.9 μg/m3 (68) | 68.0 | |
| July 30, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 35.0 μg/m3 (33) | 20.3 μg/m3 (69) | 69.0 | |
| July 30, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (36) | N/A | 35.0 μg/m3 (33) | 21.1 μg/m3 (70) | 70.0 | |
| July 30, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 34.0 μg/m3 (32) | 19.9 μg/m3 (68) | 68.0 | |
| July 29, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 32.0 μg/m3 (30) | 20.1 μg/m3 (68) | 68.0 | |
| July 29, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (48) | N/A | 36.0 μg/m3 (34) | 20.5 μg/m3 (69) | 69.0 | |
| July 29, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (51) | N/A | 38.0 μg/m3 (36) | 23.8 μg/m3 (76) | 76.0 | |
| July 29, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | 35.0 μg/m3 (33) | 23.5 μg/m3 (75) | 75.0 | |
| July 29, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (55) | N/A | 33.0 μg/m3 (31) | 22.9 μg/m3 (74) | 74.0 | |
| July 29, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | 37.0 μg/m3 (35) | 24.5 μg/m3 (78) | 78.0 | |
| July 29, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (91) | N/A | 38.0 μg/m3 (36) | 24.2 μg/m3 (77) | 91.0 | |
| July 29, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (68) | N/A | 33.0 μg/m3 (31) | 23.3 μg/m3 (75) | 75.0 | |
| July 29, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 μg/m3 (37) | 23.4 μg/m3 (75) | 75.0 | |
| July 29, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 23.4 μg/m3 (75) | 75.0 | |
| July 29, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 μg/m3 (54) | 27.0 μg/m3 (83) | 83.0 | |
| July 29, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (36) | 24.3 μg/m3 (77) | 77.0 | |
| July 29, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 42.0 μg/m3 (39) | 26.8 μg/m3 (82) | 82.0 | |
| July 29, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (13) | N/A | 36.0 μg/m3 (34) | 25.2 μg/m3 (79) | 79.0 | |
| July 29, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 38.0 μg/m3 (36) | 25.8 μg/m3 (80) | 80.0 | |
| July 29, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (20) | N/A | 35.0 μg/m3 (33) | 25.0 μg/m3 (79) | 79.0 | |
| July 29, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (24) | N/A | 31.0 μg/m3 (29) | 22.8 μg/m3 (74) | 74.0 | |
| July 29, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (23) | N/A | 31.0 μg/m3 (29) | 23.7 μg/m3 (76) | 76.0 | |
| July 29, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 32.0 μg/m3 (30) | 23.3 μg/m3 (75) | 75.0 | |
| July 29, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 ppb (35) | N/A | 37.0 μg/m3 (35) | 23.9 μg/m3 (76) | 76.0 | |
| July 29, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 ppb (37) | N/A | 42.0 μg/m3 (39) | 24.0 μg/m3 (77) | 77.0 | |
| July 29, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 35.0 μg/m3 (33) | 24.0 μg/m3 (77) | 77.0 | |
| July 29, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 ppb (49) | N/A | 34.0 μg/m3 (32) | 22.9 μg/m3 (74) | 74.0 | |
| July 29, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (58) | N/A | 33.0 μg/m3 (31) | 22.8 μg/m3 (74) | 74.0 | |
| July 28, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 ppb (87) | N/A | 39.0 μg/m3 (37) | 23.3 μg/m3 (75) | 87.0 | |
| July 28, 2021, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 ppb (104) | N/A | 37.0 μg/m3 (35) | 24.2 μg/m3 (77) | 104.0 | |
| July 28, 2021, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 86.0 ppb (109) | N/A | 39.0 μg/m3 (37) | 25.5 μg/m3 (80) | 109.0 | |
| July 28, 2021, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 ppb (107) | N/A | 39.0 μg/m3 (37) | 24.5 μg/m3 (78) | 107.0 | |
| July 28, 2021, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 75.0 ppb (104) | N/A | 36.0 μg/m3 (34) | 23.8 μg/m3 (76) | 104.0 | |
| July 28, 2021, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 ppb (101) | N/A | 31.0 μg/m3 (29) | 23.0 μg/m3 (74) | 101.0 | |
| July 28, 2021, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (91) | N/A | 33.0 μg/m3 (31) | 23.4 μg/m3 (75) | 91.0 | |
| July 28, 2021, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (102) | N/A | 39.0 μg/m3 (37) | 24.6 μg/m3 (78) | 102.0 | |
| July 28, 2021, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 ppb (91) | N/A | 41.0 μg/m3 (38) | 25.2 μg/m3 (79) | 91.0 | |
| July 28, 2021, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (65) | N/A | 37.0 μg/m3 (35) | 25.0 μg/m3 (79) | 79.0 | |
| July 28, 2021, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 35.0 μg/m3 (33) | 24.8 μg/m3 (78) | 78.0 | |
| July 28, 2021, noon | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 32.0 μg/m3 (30) | 24.1 μg/m3 (77) | 77.0 | |
| July 28, 2021, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 32.0 μg/m3 (30) | 24.1 μg/m3 (77) | 77.0 | |
| July 28, 2021, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 40.0 μg/m3 (38) | 30.2 μg/m3 (90) | 90.0 | |
| July 28, 2021, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (21) | N/A | 40.0 μg/m3 (38) | 29.9 μg/m3 (89) | 89.0 | |
| July 28, 2021, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (22) | N/A | 37.0 μg/m3 (35) | 25.9 μg/m3 (81) | 81.0 | |
| July 28, 2021, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 36.0 μg/m3 (34) | 26.0 μg/m3 (81) | 81.0 | |
| July 28, 2021, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 35.0 μg/m3 (33) | 25.5 μg/m3 (80) | 80.0 | |
| July 28, 2021, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 33.0 μg/m3 (31) | 24.5 μg/m3 (78) | 78.0 | |
| July 28, 2021, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (38) | N/A | 33.0 μg/m3 (31) | 23.7 μg/m3 (76) | 76.0 | |
| July 28, 2021, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 32.0 μg/m3 (30) | 22.3 μg/m3 (73) | 73.0 | |
| July 28, 2021, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (46) | N/A | 35.0 μg/m3 (33) | 23.8 μg/m3 (76) | 76.0 | |
| July 28, 2021, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (74) | N/A | 33.0 μg/m3 (31) | 21.8 μg/m3 (72) | 74.0 | |
| July 28, 2021, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 ppb (103) | N/A | 32.0 μg/m3 (30) | 22.1 μg/m3 (73) | 103.0 | |
| July 27, 2021, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 72.0 ppb (102) | N/A | 30.0 μg/m3 (28) | 19.7 μg/m3 (67) | 102.0 |